Step 5: Run the Java preview feature code With the code compiled, you can execute it by adding the --enable-preview switch to the java command: jdk13@preview:$ java --enable-preview ...

Here's a quick example of how to run a Jenkins war file from the command line, DOS prompt or terminal window in Linux/Ubuntu. The short story? java -jar jenkins.war ...

Enter the command " ls " to get the exact name of the java binary file in this location. Run the following commands in order, substituting " appname " with the name of the binary file: ...